Page 180 - Shale Shakers Drilling Fluid Systems
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SOLIDS CONTROL EQUIPMENT 163
motor) or a single diesel engine for each pump. would allow operators to pump from anywhere to
Manifolding of suction or discharge lines rarely re- anywhere with any pump. However, leaky and im-
sults in effective equipment performance. Funds properly aligned valves can destroy removal effi-
normally used for valves in a "do-anything" man- ciency. For example, a system operating at 90%
ifold, should be used to store an extra pump drilled solids removal efficiency can quickly deterio-
and motor in case of failure. Pumps and motors rate to 40% efficiency with only two valves improp-
should be mounted so that they are easy to install erly set. If the target drilled solids concentration is
and maintain. 8% volume or less, the low drilled solids removal
Unfortunately, the above suggestions create a efficiency can easily require two to four times as
great deal of controversy. Ideally, the fluid system much drilling fluid to drill a well (see Chapter 8).